Power output maxes out at 45W through a single USB-C port, or 18W through the Na Plus’ lone USB-A port. A series of LEDs can be used to determine the power bank’s remaining power level, and it takes about two hours to fully charge it.

Japanese hardware brand Elecom has just launched what it claims is the world's first power bank to feature a sodium-ion battery inside. It promises significantly longer cycle life than traditional lithium-ion batteries,

Japanese company Elecom has unveiled the world’s first power bank using sodium-ion battery technology, according to the company’s official press release. The sodium-ion power bank consists of 3 battery cells of 3,